Please understand that I do want to be able to use ip6tables to filter forwarded traffic. I just do not want the interfaces speaking to anyone while they're doing their job. Perhaps this example can explain it better than I have: http://www.sjdjweis.com/linux/bridging/ Thanks again. Bob McDowell Network/Security Engineer Cox HealthPlans -----Original Message----- From: Nikolay S. [mailto:nowhere@xxxxxxxxxxxxxxxx] Sent: Tuesday, June 07, 2011 1:44 AM To: Bob McDowell Cc: netfilter@xxxxxxxxxxxxxxx Subject: Re: ipv6 link local address You can turn off ipv6 on interfaces. This should not prevent bridging ipv6, but will remove any ipv6 logic from them. ÿô.nÇ·®+%˱é¥wÿº{.nÇ·§z××þ)íèjg¬±¨¶Ýjÿ¾«þG«é¸¢·¦j:+v¨wèm¶ÿþø®w¥þ࣢·hâÿÙ